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- W1915041745 endingPage "1339" @default.
- W1915041745 startingPage "1331" @default.
- W1915041745 abstract "In soils and sediments contaminated by Hydrophobic Organic Compounds (HOCs), the total concentrations are less indicative of potential exposure and distribution than the associated freely dissolved concentrations (Cfree) or chemical activity. Therefore, these two parameters are increasingly used to assess sediment contamination with regard to their (1) partitioning into the water column, (2) bioaccumulation and (3) baseline toxic potential. In this work, sediments from a chronically polluted coastal area, with similar total PAH concentrations, were studied using PDMS coated glass jars (obtaining Cfree(SW) and chemical activity) to predict baseline toxicity and potential bioaccumulation from these sediments. The results indicate that, on the one hand, the chemical activity of the sediments differed by up to one order of magnitude and was below the level at which lethal baseline toxicity is expected, but is still a cause for concern due to the presence of other pollutants and different mechanisms of action. On the other hand, the combination of Cfree measurements and Biota to Sediment Accumulation Factors (BSAFs) allowed concentrations in different target organs of benthic flatfish, hypothetically exposed to these chronically polluted sediments, to be estimated. This new approach allows us to predict the concentration in biological tissues under the study of Cfree(SW) in sediments, as a useful tool in risk assessment." @default.
- W1915041745 created "2016-06-24" @default.
- W1915041745 creator A5020048386 @default.
- W1915041745 creator A5075486333 @default.
- W1915041745 date "2015-01-01" @default.
- W1915041745 modified "2023-09-27" @default.
- W1915041745 title "Estimating baseline toxicity of PAHs from marine chronically polluted sediments and bioaccumulation in target organs of fish hypothetically exposed to them: a new tool in risk assessment" @default.
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- W1915041745 doi "https://doi.org/10.1039/c5em00111k" @default.
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- W1915041745 hasPublicationYear "2015" @default.
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